With the G502 X in your hand, your enemies won't know what hit them. The new LIGHTFORCE switches have a hybrid optical-mechanical design, so you'll get the best of both worlds - instant optical action with tactile mechanical feedback. And with the HERO 25K gaming sensor, you'll have the speed and accuracy you need to dominate the playfield. And since to two hands are the same, you can adjust the DPI-Shift button to fit your grip perfectly. Good to know - With LIGHTSPEED wireless, you won't even notice you're not plugged in - except for the freedom- The Dual-mode scroll wheel lets you whizz through pages of text or use the ratcheted mode when you need precision - With onboard memory you can switch between 5 profiles for different games or players - All 13 buttons are programable, so you can map your hotkeys to save precious milliseconds